you are assuming the size estimate by the LFS was correct.Definitely not a Royal not with a max size of 12cm
I'd say 134 looking at those.
(btw, I'd call them vertical stripes - looking side on - LOL)
why are you confused? if you doubt the name given by the vendor, why should the size given be any more accurate? conversely, if the name given is correct, that does not indicate the size estimate will be accurate! and we are only talking about a difference of less than an inch, a difference that is well within that which we might expect to find between two individuals of the same species.He does look like the L168, and he was labelled as a butterfly plec but it says those get to 14cm! So confused!!